Under Armour JBL UAJBLHRMB Sport Wireless In-Ear Headphones, Black ————- Train harder and smarter with Under Armour Sport Wireless Heart Rate – Engineered by JBL. These wireless, sweat proof headphones deliver energizing music and heart rate tracking into your endurance sports training, all in your ears. With UA Record, your dashboard for connected fitness, you can view in-workout training analysis and analyze your performance as your training progresses. And you can even hear on-demand heart rate updates thanks to a touch sensor on the right